Tuesday, May 24, 2011

301 Stainless Steel

Type 301 stainless steel (UNS S 30100) is an austenitic chromium-nickel stainless steel that can attain high tensile strength and ductility by cold-working.

Specifications

ASTM A240 for annealed condition
ASTM A666 for tempered material*
Composition per ASTM A240
Carbon.15 Max
Manganese2.00 Max.
Phosphorus.045 Max.
Sulfur.030 Max.
Silicon1.00 Max
Chromium16.00 - 18.00
Nickel6.00 - 8.00
Nitrogen.10 Max.
Molybdenum 
Mechanical Properties (Annealed, Per ASTM A240)
UTS75,000 ksi Min
Elongation % in 2"40.00 Min
Rockwell HardnessRB95.00 Max
* Tempered mechanical properties are available upon request.

301 stainless steel is used in a variety of applications including

Kitchenware

  • Pots
  • Pans
  • Flatware
  • Counters
  • Sinks
  • Appliance components

Automotive

  • Trim
  • Moldings
  • Wiper parts
  • Fastener parts

Hardware

  • Hinges
  • Doors
  • Frames
  • Roll formed sections
  • Spring clips
  • Clamps

Food processing

  • Various equipment including conveyor belts

Structural parts

  • Aircraft
  • Trailer bodies
  • Rapid transit cars
  • Cargo containers
Magnetic Properties: 301 stainless steel flat rolled coil is non-magnetic in the annealed condition but becomes magnetic when cold worked.
Forming: Type 301 is used in fabrication by bending, roll forming, blanking, stretch bending and drawing. It's high work hardening rate helps minimize wall thinning when deformed. Deep drawing may require intermediate annealing or higher nickel content.

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